diff --git a/web/App_GlobalResources/LocalizedText.fr.resx b/web/App_GlobalResources/LocalizedText.fr.resx
index cb70d4c8..f3d78e6d 100644
--- a/web/App_GlobalResources/LocalizedText.fr.resx
+++ b/web/App_GlobalResources/LocalizedText.fr.resx
@@ -20,4 +20,11 @@
 	<data name="Offline"><value>Hors ligne</value></data>
 	<data name="Not Approuved"><value>Non approuvé</value></data>
 	<data name="Remove"><value>Supprimer</value></data>
+	<data name="Pdf_version"><value>Version Pdf</value></data>
+	<data name="Tex_version"><value>Version LaTeX</value></data>
+	<data name="User_name"><value>Nom d'utilisateur</value></data>
+	<data name="Description"><value>Description</value></data>
+	<data name="Product_reference"><value>Référence produit</value></data>
+	<data name="Unitary_cost"><value>Coût unitaire</value></data>
+	<data name="Count"><value>Nombre</value></data>
 </root>
diff --git a/web/App_GlobalResources/LocalizedText.resx b/web/App_GlobalResources/LocalizedText.resx
index e1dbb0e8..77c719db 100644
--- a/web/App_GlobalResources/LocalizedText.resx
+++ b/web/App_GlobalResources/LocalizedText.resx
@@ -20,4 +20,12 @@
 	<data name="Offline"><value>Offline</value></data>
 	<data name="Not Approuved"><value>Not Approuved</value></data>
 	<data name="Remove"><value>Remove</value></data>
+	<data name="Pdf_version"><value>Pdf version</value></data>
+	<data name="Tex_version"><value>LaTeX version</value></data>
+	<data name="User_name"><value>User name</value></data>
+
+	<data name="Description"><value>Description</value></data>
+	<data name="Product_reference"><value>Product_reference</value></data>
+	<data name="Unitary_cost"><value>Unitary_cost</value></data>
+	<data name="Count"><value>Count</value></data>
 </root>
diff --git a/web/Controllers/FrontOfficeApiController.cs b/web/Controllers/FrontOfficeApiController.cs
index da70397c..69927b78 100644
--- a/web/Controllers/FrontOfficeApiController.cs
+++ b/web/Controllers/FrontOfficeApiController.cs
@@ -86,16 +86,16 @@ namespace Yavsc.ApiControllers
 		}
 
 		[AcceptVerbs("GET")]
-		public HttpResponseMessage GetTexEstim(long estimid)
+		public HttpResponseMessage GetEstimTex(long estimid)
 		{
 			return new HttpResponseMessage () {
 				Content = new ObjectContent (typeof(string),
-					getTexEstim (estimid),
-					new TexFormatter ())
+					getEstimTex (estimid),
+					new SimpleFormatter ("text/x-tex"))
 			};
 		}
 
-		private string getTexEstim(long estimid)
+		private string getEstimTex(long estimid)
 		{
 			Yavsc.templates.Estim  tmpe = new Yavsc.templates.Estim();		
 			Estimate e = WorkFlowManager.GetEstimate (estimid);
diff --git a/web/Controllers/FrontOfficeController.cs b/web/Controllers/FrontOfficeController.cs
index c6fc4b1b..73e8d693 100644
--- a/web/Controllers/FrontOfficeController.cs
+++ b/web/Controllers/FrontOfficeController.cs
@@ -30,6 +30,8 @@ namespace Yavsc.Controllers
 		[Authorize]
 		public ActionResult Estimate(Estimate model,string submit)
 		{
+			ViewData ["WebApiBase"] = "http://" + Request.Url.Authority + "/api";
+			ViewData ["WABASEWF"] = ViewData ["WebApiBase"] + "/WorkFlow";
 			if (submit == null) {
 				if (model.Id > 0) {
 					Estimate f = WorkFlowManager.GetEstimate (model.Id);
@@ -41,27 +43,31 @@ namespace Yavsc.Controllers
 					ModelState.Clear ();
 					string username = HttpContext.User.Identity.Name;
 					if (username != model.Responsible
-						&& username != model.Client
-						&& !Roles.IsUserInRole ("FrontOffice"))
+					    && username != model.Client
+					    && !Roles.IsUserInRole ("FrontOffice"))
 						throw new UnauthorizedAccessException ("You're not allowed to view this estimate");
 
 				} 
-			} else if (ModelState.IsValid) {
-
-				ViewData ["WebApiUrl"] = "http://" + Request.Url.Authority + "/api/WorkFlow";
+			} else {
 				string username = HttpContext.User.Identity.Name;
-				if (username != model.Responsible
-					&& username != model.Client
-					&& !Roles.IsUserInRole ("FrontOffice"))
-					throw new UnauthorizedAccessException ("You're not allowed to modify this estimate");
+				if (model.Id == 0) {
+					model.Responsible=username;
+					ModelState.Clear ();
+				}
+				if (ModelState.IsValid) {
+					if (username != model.Responsible
+					   && username != model.Client
+					   && !Roles.IsUserInRole ("FrontOffice"))
+						throw new UnauthorizedAccessException ("You're not allowed to modify this estimate");
 
-				if (model.Id == 0)
+					if (model.Id == 0)
 						model = WorkFlowManager.CreateEstimate (
 							username,
 							model.Client, model.Title, model.Description);
 					else
 						WorkFlowManager.UpdateEstimate (model);
 
+				}
 			}
 			return View(model);
 		}
diff --git a/web/Controllers/WorkFlowController.cs b/web/Controllers/WorkFlowController.cs
index fc2eb876..5571a8b9 100644
--- a/web/Controllers/WorkFlowController.cs
+++ b/web/Controllers/WorkFlowController.cs
@@ -38,14 +38,17 @@ namespace Yavsc.ApiControllers
 		{
 			WorkFlowManager.DropWritting (wrid);
 		}
+		class Error {}
 
 		[Authorize]
 		[AcceptVerbs("POST")]
-		public void UpdateWritting([FromBody] Writting wr)
+		public object UpdateWritting([FromBody] Writting model)
 		{
-			if (!ModelState.IsValid)
-				throw new Exception ("Modèle invalide");
-			WorkFlowManager.UpdateWritting (wr);
+			if (!ModelState.IsValid) {
+				return ModelState.Where ( k => k.Value.Errors.Count>0) ; 
+			}
+			WorkFlowManager.UpdateWritting (model);
+			return null;
 		}
 
 		[HttpGet]
@@ -67,8 +70,12 @@ namespace Yavsc.ApiControllers
 
 		[AcceptVerbs("POST")]
 		[Authorize]
-		public long Write ([FromUri] long estid, [FromBody] Writting wr) {
-			// TODO ensure estid owner matches the current one
+		/// <summary>
+		/// Adds the specified imputation to the given estimation by estimation id.
+		/// </summary>
+		/// <param name="estid">Estimation identifier</param>
+		/// <param name="wr">Imputation to add</param>
+		public long Write ([FromUri] long estid, Writting wr) {
 			return WorkFlowManager.Write(estid, wr.Description,
 				wr.UnitaryCost, wr.Count, wr.ProductReference);
 		}
diff --git a/web/Formatters/TexFormatter.cs b/web/Formatters/TexFormatter.cs
index 671e3b80..1db1a974 100644
--- a/web/Formatters/TexFormatter.cs
+++ b/web/Formatters/TexFormatter.cs
@@ -27,12 +27,11 @@ using System.Net.Http;
 
 namespace Yavsc.Formatters
 {
-	public class TexFormatter : BufferedMediaTypeFormatter
+	public class SimpleFormatter : BufferedMediaTypeFormatter
 	{
-		public TexFormatter ()
+		public SimpleFormatter (string mimetype)
 		{
-			SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/x-tex"));
-
+			SupportedMediaTypes.Add(new MediaTypeHeaderValue(mimetype));
 		}
 
 		public override bool CanWriteType(System.Type type)
diff --git a/web/Global.asax.cs b/web/Global.asax.cs
index 5f29a41f..c361fc87 100644
--- a/web/Global.asax.cs
+++ b/web/Global.asax.cs
@@ -44,7 +44,7 @@ namespace Yavsc
 		protected void Application_Start ()
 		{
 			AreaRegistration.RegisterAllAreas ();
-			GlobalConfiguration.Configuration.Formatters.Add (new TexFormatter ());
+			// add formatters : GlobalConfiguration.Configuration.Formatters.Add (new ZeroFormatter ());
 			GlobalConfiguration.Configuration.Routes.MapHttpRoute(
 						name: "DefaultApi",
 				routeTemplate: "api/{controller}/{action}/{*id}",
diff --git a/web/Helpers/BBCodeHelper.cs b/web/Helpers/BBCodeHelper.cs
index 421ed6b5..c7eb85b3 100644
--- a/web/Helpers/BBCodeHelper.cs
+++ b/web/Helpers/BBCodeHelper.cs
@@ -148,7 +148,9 @@ namespace Yavsc.Helpers
 					}
 				}
 			}
-			return ttb.ToString ();
+			TagBuilder aside = new TagBuilder ("aside");
+			aside.InnerHtml = ttb.ToString ();
+				return aside.ToString();
 		}
 
 		static string DocPageContentTransformer (string instr)
diff --git a/web/Models/App.master b/web/Models/App.master
index c04dde83..eb8e7726 100644
--- a/web/Models/App.master
+++ b/web/Models/App.master
@@ -56,7 +56,7 @@
 	</aside>
    <footer>
    <% foreach ( string link in Yavsc.ThanksHelper.Links()) { %>
-     <%= link %>
+     <div><%= link %></div>
    <% } %>
    </footer>
 </body>
diff --git a/web/Theme/style.css b/web/Theme/style.css
index 8362fbca..2342834f 100644
--- a/web/Theme/style.css
+++ b/web/Theme/style.css
@@ -12,6 +12,10 @@ main, aside {
 		background-color: rgba(0,0,0,0.8);
 }
 
+		aside {
+		display:inline;
+		max-width:15em;
+		}
 video,img {
 	max-width:100%;
 	max-height:75%;
@@ -24,7 +28,8 @@ footer {
 	left:0;
 	right:0;
 	background-color:rgba(0,16,0,0.6);
-	text-align:center;
+	display: flex;
+	 justify-content: space-around;
 	z-index:-1;
 }
 
diff --git a/web/Views/FrontOffice/Estimate.aspx b/web/Views/FrontOffice/Estimate.aspx
index 9e784fd3..fff5096b 100644
--- a/web/Views/FrontOffice/Estimate.aspx
+++ b/web/Views/FrontOffice/Estimate.aspx
@@ -14,10 +14,7 @@
 <%= Html.LabelFor(model => model.Title) %>:<%= Html.TextBox( "Title" ) %>
 <%= Html.ValidationMessage("Title", "*") %>
 <br/>
-<%= Html.LabelFor(model => model.Responsible) %>:<%=Model.Responsible%>
 <%= Html.Hidden ("Responsible") %>
-<%= Html.ValidationMessage("Responsible", "*") %>
-<br/>
 <%= Html.LabelFor(model => model.Client) %>:<%=Html.TextBox( "Client" ) %>
 <%= Html.ValidationMessage("Client", "*") %>
 <br/>
@@ -36,14 +33,13 @@
 
 
    <% if (Model.Id>0) { %>
-
 <table class="tablesorter">
 <thead>
 <tr>
-<th>Description</th>
-<th>Product Reference</th>
-<th>Count</th>
-<th>Unitary Cost</th>
+<th><%=LocalizedText.Description%></th>
+<th><%=LocalizedText.Product_reference%></th>
+<th><%=LocalizedText.Count%></th>
+<th><%=LocalizedText.Unitary_cost%></th>
 </tr>
 </thead>
 <tbody id="wrts">
@@ -59,12 +55,9 @@
 <%    } %>
 </tbody>
 </table>
-
 <%  } %>
-
 <% } %>
-
-   </asp:Content>
+</asp:Content>
    <asp:Content ContentPlaceHolderID="MASContent" ID="MASContent1" runat="server">
 
 
@@ -85,7 +78,7 @@
      <input type="button" id="btnnew" value="Nouvelle écriture"/>
      <input type="hidden" name="estid" id="estid" value="<%=Model.Id%>"/>
      <label for="Description">Description:</label>
-     <input type="text" name="Description" id="Description" />
+     <textarea name="Description" id="wrdesc" ></textarea>
      <label for="UnitaryCost">Prix unitaire:</label>
      <input type="number" name="UnitaryCost" id="UnitaryCost" step="0.01"/>
      <label for="Count">Quantité:</label>
@@ -97,7 +90,7 @@
      <input type="button" name="btndrop" id="btndrop" value="Supprimer"/>
      <input type="hidden" name="wrid" id="wrid" />
 
-     <tt id="msg" class="message"></tt>
+     <tt id="msg" class="message" style="display:none;"></tt>
      <style>
      .row { cursor:pointer; }
      table.tablesorter td:hover { background-color: rgba(0,64,0,0.5); }
@@ -108,19 +101,24 @@
      <script>
 
  jQuery.support.cors = true;  
+ function message(msg) { 
+  if (msg) { $("#msg").css("display:inline");
+  $("#msg").text(msg);} else { $("#msg").css("display:hidden"); } }
+
+
+
      function GetWritting () {
      	return {
      	Id: Number($("#wrid").val()),
      	UnitaryCost: Number($("#UnitaryCost").val()),
      	Count: parseInt($("#Count").val()),
      	ProductReference: $("#ProductReference").val(),
-     	Description: $("#Description").val()
+     	Description: $("#wrdesc").val()
      	};
      }
 
      function wredit(pwrid)
      {
-
     	$("#wr"+wrid.value).removeClass("selected");
      	$("#wrid").val(pwrid);
      	if (wrid.value!=0)
@@ -138,7 +136,7 @@
 
      function delRow() {
        $.ajax({
-            url: "<%=ViewData["WebApiUrl"]+"/DropWritting"%>",
+            url: "<%=ViewData["WABASEWF"]+"/DropWritting"%>",
             type: "Get",
             data: { wrid: wrid.value }, 
             contentType: 'application/json; charset=utf-8',
@@ -153,25 +151,27 @@
 			   wredit(0);
             },
             error: function (xhr, ajaxOptions, thrownError) {
-        $("#msg").text(xhr.status+" : "+xhr.responseText);}
+        message(xhr.status+" : "+xhr.responseText);}
         });
 
       }
 	
 	function setRow() {
        var wrt = GetWritting();
-
        $.ajax({
-            url: "<%=ViewData["WebApiUrl"]+"/UpdateWritting"%>",
-            type: "POST",
-            data: JSON.stringify(wrt), 
-            contentType: 'application/json; charset=utf-8',
-            success: function () { 
-		       var cells = document.getElementById("wr"+wrt.Id).getElementsByTagName("TD");
+            url: "<%=ViewData["WABASEWF"]+"/UpdateWritting"%>",
+            type: 'POST',
+            data: wrt, 
+            success: function (ms) { 
+		       if (ms)
+			   	message(JSON.stringify(ms));
+			   else {
+				var cells = document.getElementById("wr"+wrt.Id).getElementsByTagName("TD");
 		       cells[0].innerHTML=wrt.Description;
 		       cells[1].innerHTML=wrt.ProductReference;
 		       cells[2].innerHTML=wrt.UnitaryCost;
 		       cells[3].innerHTML=wrt.Count;
+				}
             },
             error: function (xhr, ajaxOptions, thrownError) {
         $("#msg").text(xhr.status+" : "+xhr.responseText);}
@@ -183,20 +183,27 @@ function addRow(){
        var wrt = GetWritting();
 		var estid = parseInt($("#Id").val());
         $.ajax({
-            url: "<%=ViewData["WebApiUrl"]+"/Write"%>/?estid="+estid,
+            url: "<%=ViewData["WABASEWF"]+"/Write"%>/?estid="+estid,
             type: "POST",
-            traditional: false,
-            data: JSON.stringify(wrt),
-            contentType: 'application/json; charset=utf-8',
+            data: wrt,
             success: function (data) { 
             wrt.Id = Number(data);
-            wredit(wrt.Id);
-            $("<tr class=\"row\" id=\"wr"+wrt.Id+"\"><td>"+wrt.Description+"</td><td>"+wrt.ProductReference+"</td><td>"+wrt.Count+"</td><td>"+wrt.UnitaryCost+"</td></tr>").appendTo("#wrts");
-             },
+            wrid.value = wrt.Id;
+            var wridval = 'wr'+wrt.Id;
+            //$("#wrts").append("<tr class=\"selected row\" id=\"wr"+wrt.Id+"\"><td>"+wrt.Description+"</td><td>"+wrt.ProductReference+"</td><td>"+wrt.Count+"</td><td>"+wrt.UnitaryCost+"</td></tr>");
+
+            jQuery('<tr/>', { 
+            id: wridval,
+            "class": 'selected row',
+            }).appendTo('#wrts');
+            $("<td>"+wrt.Description+"</td>").appendTo("#"+wridval);
+            $("<td>"+wrt.ProductReference+"</td>").appendTo("#"+wridval);
+            $("<td>"+wrt.Count+"</td>").appendTo("#"+wridval);
+            $("<td>"+wrt.UnitaryCost+"</td>").appendTo("#"+wridval);
+            $("#"+wridval).click(function(ev){onEditRow(ev);});
+            },
             error: function (xhr, ajaxOptions, thrownError) {
-        $("#msg").text(xhr.status+" : "+xhr.responseText);}
-        });
-        $(".wr"+wrt.Id).click(onEditRow(e));  
+        message(xhr.status+" : "+xhr.responseText);}});
     }
 
     function ShowDtl(val)
@@ -211,7 +218,7 @@ function addRow(){
     	var hid=e.delegateTarget.id;
     	var vwrid = Number(hid.substr(2));
     	wredit(vwrid);
-    	$("#Description").val(cells[0].innerHTML);
+    	$("#wrdesc").val(cells[0].innerHTML);
     	$("#ProductReference").val(cells[1].innerHTML);
     	$("#Count").val(cells[2].innerHTML);
     	$("#UnitaryCost").val(Number(cells[3].innerHTML.replace(",",".")));
@@ -227,7 +234,7 @@ function addRow(){
     $(".row").click(function (e) {onEditRow(e);});
 	$("#btnnew").click(function () {
 		wredit(0);
-		$("#Description").val("");
+		$("#wrdesc").val("");
     	$("#ProductReference").val("");
     	$("#Count").val(1);
     	$("#UnitaryCost").val(0);
@@ -236,6 +243,8 @@ function addRow(){
     </script>
   </div>
     </form>
+    <a class="actionlink" href="<%=ViewData["WebApiBase"]%>/FrontOffice/GetEstimTex?estimid=<%=Model.Id%>"><%= LocalizedText.Tex_version %></a>
+    <a class="actionlink" href="<%=ViewData["WebApiBase"]%>/FrontOffice/GetEstimPdf?estimid=<%=Model.Id%>"><%= LocalizedText.Pdf_version %></a>
 </asp:Content>
 
 
diff --git a/web/templates/Estim.tex b/web/templates/Estim.tex
deleted file mode 100644
index 4425dae5..00000000
--- a/web/templates/Estim.tex
+++ /dev/null
@@ -1,167 +0,0 @@
-\documentclass[french,11pt]{article}
-\usepackage{babel}
-\usepackage[T1]{fontenc}
-\usepackage[utf8]{inputenc}
-\usepackage[a4paper]{geometry}
-\usepackage{units}
-\usepackage{bera}
-\usepackage{graphicx}
-\usepackage{fancyhdr}
-\usepackage{fp}
-
-\def\TVA{20}    % Taux de la TVA
-
-\def\TotalHT{0}
-\def\TotalTVA{0}
-
-
-\newcommand{\AjouterService}[2]{%    Arguments : Désignation, prix
-    \FPround{\montant}{#2}{2}
-    \FPadd{\TotalHT}{\TotalHT}{\montant}
-    \eaddto\ListeProduits{#1    &   \montant    \cr}
-}
-
-
-\newcommand{\AfficheResultat}{%
-    \ListeProduits
-   
-    \FPeval{\TotalTVA}{\TotalHT * \TVA / 100}
-    \FPadd{\TotalTTC}{\TotalHT}{\TotalTVA}
-    \FPround{\TotalHT}{\TotalHT}{2}
-    \FPround{\TotalTVA}{\TotalTVA}{2}
-    \FPround{\TotalTTC}{\TotalTTC}{2}
-    \global\let\TotalHT\TotalHT
-    \global\let\TotalTVA\TotalTVA
-    \global\let\TotalTTC\TotalTTC
-   
-    \cr 
-    \hline
-    \textbf{Total}    & & &    \TotalHT
-}
-
-\newcommand*\eaddto[2]{% version développée de \addto
-   \edef\tmp{#2}%
-   \expandafter\addto
-   \expandafter#1%
-   \expandafter{\tmp}%
-}
-
-\newcommand{\ListeProduits}{}
-
-
-
-
-%%%%%%%%%%%%%%%%%%%%% A MODIFIER DANS LA FACTURE %%%%%%%%%%%%%%%%%%%%%
-
-\def\FactureNum            {<none>}    % Numéro de facture
-\def\FactureAcquittee    {non}        % Facture acquittée : oui/non
-\def\FactureLieu    {Suresnes}    % Lieu de l'édition de la facture
-\def\FactureObjet    {Facture}    % Objet du document
-% Description de la facture
-\def\FactureDescr    {%
-
-Cette facture concerne la prestation de coiffure a domicile du Mardi 23 Septembre 2014 à Meudon, 6 rue de la Verrerie.
-}
-
-% Infos Client
-\def\ClientNom{M. Dupont}    % Nom du client
-\def\ClientAdresse{%                    % Adresse du client
-   Zenosphere : Anthony Courtois (DG)\\
-   6 rue de la Verrerie\\
-   92190 MEUDON\\
-   Mobile: 06 47 60 25 50     
-}
-
-% Liste des produits facturés : Désignation, prix
-\AjouterService    {Forfait Coiffure}        {75}
-%\AjouterService    {Frais de déplacement} {0.84}
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-
-
-
-\geometry{verbose,tmargin=4em,bmargin=8em,lmargin=6em,rmargin=6em}
-\setlength{\parindent}{0pt}
-\setlength{\parskip}{1ex plus 0.5ex minus 0.2ex}
-
-\thispagestyle{fancy}
-\pagestyle{fancy}
-\setlength{\parindent}{0pt}
-
-\renewcommand{\headrulewidth}{0pt}
-\cfoot{
-    Soraya Coiffure - 2 boulevard Aristide Briand - 92150 SURESNES \newline
-    \small{
-    E-mail: soraya.boudjouraf@free.fr\\
-    Téléphone mobile: +33(0)6 37 57 42 74\\
-        Téléphone fixe: +33(0)9 80 90 36 42
-    }
-}
-
-
-
-\begin{document}
-
-% Logo de la société
-%\includegraphics{logo.jpg}
-
-% Nom et adresse de la société
-Soraya Schneider\\
-2 boulevard Aristide Briand\\
-Bat V\\
-92150 SURESNES\\
-
-Facture n°\FactureNum
-
-
-{\addtolength{\leftskip}{10.5cm} %in ERT
-    \textbf{\ClientNom}    \\
-    \ClientAdresse        \\
-
-} %in ERT
-
-
-\hspace*{10.5cm}
-\FactureLieu, le \today
-
-~\\~\\
-
-\textbf{Objet : \FactureObjet \\}
-
-\textnormal{\FactureDescr}
-
-~\\
-
-\begin{center}
-    \begin{tabular}{lrrr}
-        \textbf{Désignation ~~~~~~}   & \textbf{Montant (EUR)}    \\
-        \hline
-        \AfficheResultat{}
-    \end{tabular}
-\end{center}
-
-\begin{flushright}
-\textit{Auto entreprise en franchise de TVA}\\
-
-\end{flushright}
-~\\
-
-\ifthenelse{\equal{\FactureAcquittee}{oui}}{
-    Facture acquittée.
-}{
-
-    À régler par chèque ou par virement bancaire :
-
-    \begin{center}
-        \begin{tabular}{|c c c c|}
-            \hline     \textbf{Code banque}    & \textbf{Code guichet}    & \textbf{N° de Compte}        & \textbf{Clé RIB}    \\
-                    20041                    & 00001                     & 1225647F020                & 05               \\
-            \hline     \textbf{IBAN N°}        & \multicolumn{3}{|l|}{ FR 91 20041 00001 1225647F020 05 }         \\
-            \hline     \textbf{Code BIC}        & \multicolumn{3}{|l|}{ PSSTFRPPPAR }         \\
-            \hline
-        \end{tabular}
-    \end{center}
-
-}
-
-\end{document}
diff --git a/web/templates/Estim.tt b/web/templates/Estim.tt
index cf195db7..2044b3fb 100644
--- a/web/templates/Estim.tt
+++ b/web/templates/Estim.tt
@@ -30,10 +30,13 @@
 \def\TotalTVA{0}
 
 
-\newcommand{\AjouterService}[2]{%    Arguments : Désignation, prix
-    \FPround{\montant}{#2}{2}
+\newcommand{\AjouterService}[3]{%    Arguments : Désignation, quantité, prix
+    \FPround{\prix}{#3}{2}
+    \FPeval{\montant}{#2 * #3}
+    \FPround{\montant}{\montant}{2}
     \FPadd{\TotalHT}{\TotalHT}{\montant}
-    \eaddto\ListeProduits{#1    &   \montant    \cr}
+   
+    \eaddto\ListeProduits{#1    &    \prix    &    #2    &    \montant    \cr}
 }
 
 
@@ -96,7 +99,7 @@
 
    <# foreach (Writting wr in estim.Lines) { #>
 \AjouterService    {<#=wr.Description#> <# if (!string.IsNullOrWhiteSpace(wr.ProductReference)) { #>
-   (<#=wr.ProductReference#>)<# } #>} {<#=wr.UnitaryCost*wr.Count#>}
+   (<#=wr.ProductReference#>)<# } #>} {<#=wr.Count#>} {<#=wr.UnitaryCost#>} 
    <# } #>
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -155,7 +158,7 @@ Facture n°\FactureNum
 
 \begin{center}
     \begin{tabular}{lrrr}
-        \textbf{Désignation ~~~~~~}   & \textbf{Montant (EUR)}    \\
+        \textbf{Désignation ~~~~~~}  & \textbf{Prix unitaire} & \textbf{Quantité} & \textbf{Montant (EUR)}    \\
         \hline
         \AfficheResultat{}
     \end{tabular}
diff --git a/web/templates/T4TemplateEstimate.cs b/web/templates/T4TemplateEstimate.cs
deleted file mode 100644
index 4b2b42c4..00000000
--- a/web/templates/T4TemplateEstimate.cs
+++ /dev/null
@@ -1,2 +0,0 @@
-
-
diff --git a/yavscModel/RolesAndMemebers/RegisterViewModel.cs b/yavscModel/RolesAndMemebers/RegisterViewModel.cs
index f43de025..2bb37193 100644
--- a/yavscModel/RolesAndMemebers/RegisterViewModel.cs
+++ b/yavscModel/RolesAndMemebers/RegisterViewModel.cs
@@ -6,7 +6,8 @@ namespace Yavsc.Model.RolesAndMembers
 {
 	public class RegisterViewModel
 	{
-		[DisplayName("Nom d'utilisateur")]
+		[Localizable(true)]
+		[Display(Name="User name")]
 		[Required(ErrorMessage = "S'il vous plait, entrez un nom d'utilisateur")]
 		public string UserName { get; set; }
  
diff --git a/yavscModel/WorkFlow/Writting.cs b/yavscModel/WorkFlow/Writting.cs
index f2cff738..1735a85f 100644
--- a/yavscModel/WorkFlow/Writting.cs
+++ b/yavscModel/WorkFlow/Writting.cs
@@ -20,26 +20,34 @@ namespace Yavsc.Model.WorkFlow
  		/// Who knows?
 		/// </summary>
 		/// <value>The unitary cost.</value>
-		[Required()]
+		[Display(Name="Coût unitaire")]
+		[Required(ErrorMessage="Veuillez renseigner un coût unitaire")]
 		public decimal UnitaryCost { get; set; }
 		/// <summary>
 		/// Gets or sets the count.
 		/// </summary>
 		/// <value>The count.</value>
-		[Required()]
+		[Required(ErrorMessage="Veuillez renseigner un multiplicateur pour cette imputation")]
 		public int Count { get; set; }
 		/// <summary>
 		/// Gets or sets the product reference.
 		/// </summary>
 		/// <value>The product reference.</value>
-		[Required()]
+		[Required(ErrorMessage="Veuillez renseigner une référence produit")]
+		[StringLength(512)]
 		public string ProductReference { get; set; }
 		/// <summary>
 		/// Gets or sets the description.
 		/// </summary>
 		/// <value>The description.</value>
-		[Required()]
+		[Required(ErrorMessage="Veuillez renseigner une description de cette imputation.")]
+		[StringLength (2048)]
 		public string Description { get; set; } 
+
+		public override string ToString ()
+		{
+			return string.Format ("[Writting: Id={0}, UnitaryCost={1}, Count={2}, ProductReference={3}, Description={4}]", Id, UnitaryCost, Count, ProductReference, Description);
+		}
 	}
 }